6840-26-2 (2-Methylphenyl)(oxo)diphenyl-lambda~5~-phosphane DTXSID40502230 CAS 6840-26-2

Purity 97%+In StockPharmaceutical Standards
CAS No.6840-26-2
Molecular FormulaC19H17OP
Molecular Weight292.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6840-26-2
(2-Methylphenyl)(oxo)diphenyl-lambda~5~-phosphane
DTXSID40502230 CAS 6840-26-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 292.31 g/mol gives 6840-26-2 (2-Methylphenyl)(oxo)diphenyl-lambda~5~-phosphane DTXSID40502230 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

6840-26-2 (2-Methylphenyl)(oxo)diphenyl-lambda~5~-phosphane DTXSID40502230 (CAS 6840-26-2) is a high-purity analytical reference standard with the molecular formula C19H17OP and a molecular weight of 292.31 g/mol.

6840-26-2 (2-Methylphenyl)(oxo)diphenyl-lambda~5~-phosphane DTXSID40502230 (C19H17OP) contains a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), 6840-26-2 (2-Methylphenyl)(oxo)diphenyl-lambda~5~-phosphane DTXSID40502230 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC19H17OP
Molecular Weight292.31 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958

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